<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <title>Symbol</title>
</head>

<body>
  <script>
    // 创建 Symbol
    let s = Symbol('尚硅谷')

    // 获取 Symbol 描述字符串
    console.log(s.description); // 尚硅谷
  </script>
</body>

</html>